Long double edge step drills type N HSS

HSS long double-fluted step drills, type N, for efficient through-hole drilling with screw countersinking. Single-operation drilling and chamfering. Tip: Calculate cutting speed and feed rate based on drill diameters.


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Long double edge step drills type N HSS

For rational drilling of through holes with countersink for screws Drilling and countersinking are carried out in a single operation. Tip: calculate the cutting speed in relation to the large diameter of the drill and the feed in relation to the small diameter.

Article number: 102605

Nominal thread size: M8

Net weight: 0.038 kg

Length: 169.0 mm

Head length: 19.0 mm

Diameter: 15.0 mm

Tip diameter: 8.4 mm